import { login, logout, getInfo } from '@/api/user'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: ''
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  }
}

const actions = {
  // 登录的action,唯一目的获取用户token
  async login({ commit }, userInfo) {
    // const { username, password } = userInfo
    // return new Promise((resolve, reject) => {
    //   login({ username: username.trim(), password: password }).then(response => {
    //     const { data } = response
    //     commit('SET_TOKEN', data.token)
    //     setToken(data.token)
    //     resolve()
    //   }).catch(error => {
    //     reject(error)
    //   })
    // })

    // 结构用户的名字与密码
    const { username, password } = userInfo;
    // 携带用户名与密码发请求判断能否登录
    let result = await login({ username: username.trim(), password: password });
    if (result.code == 20000) {
      commit('SET_TOKEN', result.data.token)
      setToken(result.data.token)
      return 'ok'
    } else {
      return Promise.reject();
    }

  },

  // get user info
  async getInfo({ commit, state }) {
    // return new Promise((resolve, reject) => {
      //   getInfo(state.token).then(response => {
      //     const { data } = response

      //     if (!data) {
      //       return reject('Verification failed, please Login again.')
      //     }

      //     const { name, avatar } = data

      //     commit('SET_NAME', name)
      //     commit('SET_AVATAR', avatar)
      //     resolve(data)
      //   }).catch(error => {
      //     reject(error)
      //   })
      // })
      let result = await getInfo(state.token);
      if (result.code == 20000) {
        const { data } = result
        if (!data) {
          return reject('Verification failed, please Login again.')
        }
        const { name, avatar } = data
        commit('SET_NAME', name)
        commit('SET_AVATAR', avatar)
      } else {
        return Promise.reject();
      }
    },

      // user logout
      logout({ commit, state }) {
      return new Promise((resolve, reject) => {
        logout(state.token).then(() => {
          removeToken() // must remove  token  first
          resetRouter()
          commit('RESET_STATE')
          resolve()
        }).catch(error => {
          reject(error)
        })
      })
    },

      // remove token
      resetToken({ commit }) {
      return new Promise(resolve => {
        removeToken() // must remove  token  first
        commit('RESET_STATE')
        resolve()
      })
    }
}

export default {
    namespaced: true,
    state,
    mutations,
    actions
  }

